This is an excellent natural strong antibiotic - use it when sinus infection or cold first starts - within 24 hours we are usually free of symptoms - highly recommend to keep on the shelf - do not use daily

Highly recommended as a first line defense against flu bugs, bacteria and viruses. One physician's monthly newsletter finds this a viable alternative to even the most celebrated antibiotic pharmaceutical agents. And it is apparently effective against a broad range of infection which cannot be treated with conventional therapy.

Grapefruit seed extract is a wonder. In different forms, we use it for cleaning fruit, clearing nasal passages, etc. These pills are effective in fighting symptoms associated with bacteria, virus or fungi. The pill form in this product is effective for the latter.

I have used NutriBiotic products for years with good results. This was the first time I used this particular formula. I will puchase it again and of course at IHerb where I get great prices and good service.